15465220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10891}}^1$

素因数の和:10971

約数の個数: 24

約数和(自身を含む): 32937408

約数和(自身を除く): 17472188

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 10891, 21782, 43564, 54455, 108910, 217820, 773261, 1546522, 3093044, 3866305, 7732610, 15465220]

約数ペア:

[(1, 15465220), (2, 7732610), (4, 3866305), (5, 3093044), (10, 1546522), (20, 773261), (71, 217820), (142, 108910), (284, 54455), (355, 43564), (710, 21782), (1420, 10891)]